alfwatt

Color Switcher

Estimated time to complete 1-2 hours. The task is not timed and you can work at your own pace. You have at least 24 hours.

Tools

• You can use any programming language you like
• The project should open in Xcode or Android Studio and build and run on any iOS or Android device
• Any 3rd party tooling (libraries and/or build systems) must be fully automated into the build

alfwatt

// Dark Mode

#FFFEFE  rgba(255, 254, 254, 0.847)   hsla(320, 0%, 100%, 0.847)   labelColor
#FFFEFE  rgba(255, 254, 254, 0.549)   hsla(320, 0%, 100%, 0.549)   secondaryLabelColor
#FFFEFE  rgba(255, 254, 254, 0.247)   hsla(320, 0%, 100%, 0.247)   tertiaryLabelColor
#FFFEFE  rgba(255, 254, 254, 0.098)   hsla(320, 0%, 100%, 0.098)   quaternaryLabelColor
#3486FE  rgba(52, 134, 254, 1.000)    hsla(215, 79%, 99%, 1.000)   linkColor
#FFFEFE  rgba(255, 254, 254, 0.498)   hsla(320, 0%, 100%, 0.498)   placeholderTextColor
#FFFEFE  rgba(255, 254, 254, 0.847)   hsla(320, 0%, 100%, 0.847)   windowFrameTextColor
#FFFEFE  rgba(255, 254, 254, 1.000)   hsla(320, 0%, 100%, 1.000)   selectedMenuItemTextColor

alfwatt

static int
scountf(const char * format)
{
    int count = 0;
    int index = 0;
    char this, next;
    
    while ((this = format[index])) {
        next = format[index++];
        

alfwatt

#import <Foundation/Foundation.h>

@interface NSRunLoop (Condition)

-(BOOL)runInDefaultModeWhileCondition:(BOOL *)condition inIntervals:(NSTimeInterval) quantum;

-(BOOL)runWhileCondition:(BOOL *)condition inMode:(NSString *)mode inIntervals:(NSTimeInterval) quantum;

@end

alfwatt

#!/bin/bash  

OSX_NAME=ElCapitan
  
hdiutil attach "/Applications/Install OS X El Capitan.app/Contents/SharedSupport/InstallESD.dmg" -noverify -nobrowse -mountpoint /Volumes/esd
hdiutil create -o $OSX_NAME.cdr -size 7316m -layout SPUD -fs HFS+J
hdiutil attach $OSX_NAME.cdr.dmg -noverify -nobrowse -mountpoint /Volumes/iso
asr restore -source /Volumes/esd/BaseSystem.dmg -target /Volumes/iso -noprompt -noverify -erase
rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages
cp -rp /Volumes/esd/Packages /Volumes/OS\ X\ Base\ System/System/Installation

alfwatt

#include "mach_gettime.h"
#include <mach/mach_time.h>

#define MT_NANO (+1.0E-9)
#define MT_GIGA UINT64_C(1000000000)

// TODO create a list of timers,
static double mt_timebase = 0.0;
static uint64_t mt_timestart = 0;

alfwatt

+ (NSString*) errorReport:(NSError*) error
{
    NSMutableString* report = [NSMutableString new];
    [report appendString:[NSString stringWithFormat:@"%@: %li\n\n%@", error.domain, error.code, error.userInfo]];
    if( error = [[error userInfo] objectForKey:NSUnderlyingErrorKey] ) // we have to go deeper
    {
        [report appendString:[NSString stringWithFormat:@"\n\n- Underlying Error -\n\n"]];
        [report appendString:[self errorReport:error]];
    }
    return report;

alfwatt

#import <execinfo.h>
#import <ExceptionHandling/ExceptionHandling.h>

+ (NSString*) exceptionReport:(NSException*) exception
{
    NSMutableString* report = [NSMutableString new];
    NSMutableArray *addresses = [NSMutableArray new];
    NSString *stackTrace = [[exception userInfo] objectForKey:NSStackTraceKey];
    NSScanner *scanner = [NSScanner scannerWithString:stackTrace];
    NSString *token;